Revision control
++ void MAIN()
++ {
++ BASE_COLOR = vec4(1.0);
++ METALNESS = 0.0;
++ ROUGHNESS = 0.0;
++ TRANSMISSION_FACTOR = 1.0;
++ THICKNESS_FACTOR = 900.0;
++ IOR = 2.0;
++ FRESNEL_SCALE = 0.5;
++ FRESNEL_BIAS = 0.2;
++ DISPERSION = uDispersion;
++ }